Coord 2000 | 20078+3055 |
Discov num | COU 31 |
Comp | Coord arcsec 2000 | 20 07 52.21 +30 54 11.9 |
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Date first | 1902 |
Date last | 2016 |
Obs | 12 |
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Pa first | 323 |
Pa last | 325 |
P.A. Now (θ) | 325° |
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Sep first | 11.4 |
Sep last | 11.0 |
Sep. Now (ρ) | 11" |
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Mag pri | 10.80 |
Mag sec | 13.30 |
delta mag (ΔM) | 2.5 |
Spectral class | M4 (red) |
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Pri motion ra | +001 |
Sec motion ra | +001 |
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Pri motion dec | -004 |
Sec motion dec | -005 |
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Notes |
Precise pa | 324.5 |
Precise sep | 11.002 |
Constellation | Cygnus |
SAO | 69458 |
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Tycho2 | 2671-02485-1 |
Gaia DR2 | 27834436736 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20078+3055 | COU 31 | 1963 | 2 | 325 | 10.5 | 10.80 | 13.30 | M4 | 200752.21+305411.9 | ||
20078+3055 | COU 31 | 2002 | 3 | 325 | 11.1 | 10.80 | 13.30 | M4 | 200752.21+305411.9 | ||
20078+3055 | COU 31 | 2012 | 4 | 325 | 11.3 | 10.80 | 13.30 | M4 | 200752.21+305411.9 | ||
20078+3055 | COU 31 | 2015 | 6 | 326 | 11.1 | 10.80 | 13.30 | M4 | 200752.21+305411.9 | ||
20078+3055 | COU 31 | 2016 | 7 | 325 | 11.0 | 10.80 | 13.30 | M4 | 200752.21+305411.9 |